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New Mexico ZIP Codes
Guadalupe County
Newkirk, NM
88431
88431 ZIP Code — Newkirk, NM
Guadalupe County, New Mexico
ZIP code 88431 is located in
Newkirk ,
New Mexico ,
within Guadalupe County .
It covers approximately 156.56 square miles and serves a population of
178 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 575 .
88431 ZIP code map
View map of 88431
Cities in ZIP code 88431
Below are the cities the US Postal Service accepts for ZIP code 88431. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
178
Population density
1 / sq mi
State FIPS
35
County FIPS
019
Geography
Land area
156.56 sq mi
Water area
0.00 sq mi
Latitude
35.1345
Longitude
-104.2405
Timezone
Mountain (MT)
Area code
575
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
0.0%
77.6%
48.8%
$50k – $100k
100.0%
13.8%
29.4%
$100k – $200k
0.0%
3.2%
17.6%
Over $200k
0.0%
5.4%
4.1%
Demographics & statistics
$0
Median household income
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 178 100.0%
65 and over 74 41.6%
Median age 58.3 years
Race & ethnicity
American Indian / Alaska Native
47.2%
Group Count %
White 94 52.8%
American Indian / Alaska Native 84 47.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
0.0%
77.6%
48.8%
$50k – $100k
100.0%
13.8%
29.4%
$100k – $200k
0.0%
3.2%
17.6%
Over $200k
0.0%
5.4%
4.1%
Range % of households
Under $10k 47.6%
$75k–$100k 52.4%
Median income $0
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 0.0%
Single-family detached 33.3%
Large apartment buildings 0.0%
Mobile homes 47.6%
Median rooms 3.4
Avg household size (owned) 4.24
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 52.4%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 47.6%
1960–1969 0.0%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 52.4%
2 bedrooms 47.6%
3 bedrooms 0.0%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 47.6%
1 vehicle 0.0%
2 vehicles 0.0%
3 or more 52.4%
Heating fuel
Fuel type %
Propane / LP gas 52.4%
Wood 47.6%
Households & families
Household type Count %
Married-couple family 22 52.4%
Cohabiting couple 0 0.0%
Male householder, no spouse 20 47.6%
Female householder, no spouse 0 0.0%
Households with children under 18 0 0.0%
Households with seniors (65+) 22 52.4%
Average household size 4.24
Marital status
Status Male Female
Never married 66.7% 0.0%
Married 17.5% 55.8%
Separated 15.9% 0.0%
Widowed 0.0% 44.2%
Divorced 0.0% 0.0%
Education
Some HS, no diploma
36.5%
Some college, no degree
16.3%
Graduate / professional
0.0%
Metric %
HS diploma or higher 63.5%
Bachelor's or higher 0.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Transportation & utilities
80.8%
Agriculture & mining
19.2%
Occupation
Category %
Management, business & arts 0.0%
Service 0.0%
Sales & office 0.0%
Natural resources & construction 19.2%
Production & transportation 80.8%
Employment type
Type %
Private sector 100.0%
Government 0.0%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 80.8%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 19.2%
Avg commute (minutes) 17.6
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 52.4%
Retirement income 19.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 47.6%
Health indicators
Condition %
Obesity 0.0%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 0.0%
Heart disease 0.0%
Stroke 0.0%
Asthma 0.0%
Arthritis 0.0%
Kidney disease 0.0%
Pulmonary disease 0.0%
Cancer 0.0%
Behavior / access %
Smoking 0.0%
Binge drinking 0.0%
No physical activity 0.0%
Less than 7 hrs sleep 0.0%
Depression 0.0%
Fair or poor health 0.0%
Poor mental health 0.0%
Poor physical health 0.0%
No health insurance 0.0%
Visited doctor (checkup) 0.0%
Visited dentist 0.0%
Cholesterol screening 0.0%
Teeth loss 0.0%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 18.5%
Under 18 0.0%
18–64 years 19.2%
65 and over 17.6%
Health insurance coverage
Type %
Private insurance 40.4%
Public insurance 52.8%
No insurance 41.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 178 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 178 100.0%
Born in same state 178 100.0%
Born in different state 0 0.0%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 18 10.1%
Technology access
Metric % of households
Computer access 23.6%
Internet access 52.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 88431
What city is ZIP code 88431 in?
ZIP code 88431 is primarily assigned to Newkirk, New Mexico.
What county is ZIP code 88431 in?
ZIP code 88431 falls within Guadalupe County, New Mexico.
Does ZIP code 88431 have an older population?
42% of residents in ZIP code 88431 are 65 or older, above the national average of ~17%.
Does ZIP code 88431 have a large retiree population?
52% of households in ZIP code 88431 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 88431?
ZIP code 88431 has an estimated population of 178 residents, with a density of 1 people per square mile.
What timezone is ZIP code 88431 in?
ZIP code 88431 observes the MST timezone.
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